1 x EDTA containing Leupeptin plus Aprotinin buffer (tube available from Specimen Reception #54200)

1 x Venous Gas for Ionised Calcium 

Note: Syringe collection required as EDTA tube is non vacuum.

Ionised calcium must be collected at same time as PTHrP sample.

Collection Notes:

A specialised tube is required for this test. The tube can be collected from Specimen Reception or Pathology Collection.

Sample must only be only collected Monday to Friday during business hours.

Lab Notes: Separate plasma into 2x >0.5mL aliquots. Store and transport frozen. Send ionised calcium results with request.

Transport frozen aliquots along with primary EDTA collection tubes together (to identify samples have been collected in correct tube).

The EDTA tubes containing Leupeptin plus Aprotinin for PTHrP are to be ordered directly from SNP Biochemistry at biochemistryenquiries@snp.com.au

Send to testing laboratory on dry ice. Do not pack dry ice in a sealed container.  Use appropriate PPE.